package com.chang.multithread.Ticket;

/**
 * 使用同步方法解决实现Runnable接口的线程安全问题
 *
 */
class Window3 implements  Runnable {
    private int ticket = 100;

    @Override
    public void run() {
        while (true) {
            show();
        }
    }

    private synchronized void show() { //同步监视器：this
        if (ticket > 0) {
            try {
                Thread.sleep(10);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println(Thread.currentThread().getName() + ":卖票，票号为：" + ticket);
            ticket--;
        }
    }
}

public class WindowsTest3 {
public static void main(String[] args) {
    Window3 w3 = new Window3();

    Thread t1 = new Thread(w3);
    Thread t2 = new Thread(w3);
    Thread t3 = new Thread(w3);

    t1.setName("窗口1");
    t2.setName("窗口2");
    t3.setName("窗口3");

    t1.start();
    t2.start();
    t3.start();
}
}
